<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #changeColor{
            height: 200px;
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <div id="changeColor">
        <input type="color" class="color">
    </div>
    <script>
        document.getElementsByClassName("color")[0].addEventListener('change',function(e){
            console.log(e);
            document.getElementById("changeColor").style.backgroundColor = e.target.value;
        })
    </script>
</body>
</html>